201906910

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 367470432

約数和(自身を除く): 165563522

約数列:

[1, 2, 5, 10, 251, 257, 313, 502, 514, 626, 1255, 1285, 1565, 2510, 2570, 3130, 64507, 78563, 80441, 129014, 157126, 160882, 322535, 392815, 402205, 645070, 785630, 804410, 20190691, 40381382, 100953455, 201906910]

約数ペア:

[(1, 201906910), (2, 100953455), (5, 40381382), (10, 20190691), (251, 804410), (257, 785630), (313, 645070), (502, 402205), (514, 392815), (626, 322535), (1255, 160882), (1285, 157126), (1565, 129014), (2510, 80441), (2570, 78563), (3130, 64507)]